There are several synonyms for the phrase "getting down on knee." One of the most common is proposing marriage, which refers specifically to the act of asking someone to marry you. Another synonym is kneeling, which can refer to the act of kneeling for a variety of reasons, such as prayer or paying respect. Other synonyms include bending down, crouching, or squatting, which all refer to physically lowering yourself closer to the ground. Regardless of the terminology used, getting down on one knee is a significant gesture often associated with admiration, respect, and commitment.